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Patent Searching and Data


Title:
ボイラー及びその配管用継目無鋼管の製造方法
Document Type and Number:
Japanese Patent JP4337504
Kind Code:
B2
Inventors:
All Tanaka
Application Number:
JP2003372004A
Publication Date:
September 30, 2009
Filing Date:
October 31, 2003
Export Citation:
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Assignee:
jfe Steel Corporation
International Classes:
B21B19/04; B21B17/02; C21D8/10; C22C38/00; C22C38/22
Domestic Patent References:
JP10180312A
JP7136702A
JP63281705A
Attorney, Agent or Firm:
Yoshio Kosugi
Masaki Yamada